Bob Vila Radio: Painting Exterior Brick

For best results, painting brick requires proper preparation, never more than when it's being painted for the first time.

Keeping exterior brick masonry walls looking their best requires time and effort. When you paint, proper preparation is key. Here’s how to go about it.

Painting Exterior Brick

Photo: mymcmlife.com

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Listen to BOB VILA ON PAINTING EXTERIOR BRICK WALLS or read the text below:

First, use a sandblaster to get rid of any flaked or peeling paint. Next, clean the brick using a solution of trisodium phosphate—TSP for short.

If the brick hasn’t seen a previous coat of paint, apply a masonry sealer. Oil-based, pigmented sealers work best, since they soak deeper into the brick. Apply the sealer using a long-nap roller in combination with an angled-sash brush. Make sure you fully seal the surface, including mortar joints.

Once the sealer’s dry, use a pole sander and medium-grit sandpaper to scuff-sand the wall. After that, you’re ready to paint. Choose a moisture-resistant masonry paint. A single coat is usually enough, but if you want to apply a second coat, scuff-sand the finish first.

Bob Vila Radio is a 60-second home improvement radio tip of the day carried on more than 186 stations in 75 markets around the country. Click here to subscribe, so you can automatically receive each new episode as it arrives—absolutely free.


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